document.write( "Question 241444: If you double a number and then add 12, you get one-half of the original number. What is the oringinal number? I tried this problem and my answer was 8, but i wasn't sure if it was correct. \n" ); document.write( "
Algebra.Com's Answer #176848 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
2X+12=X/2 CROSS MULTIPLY
\n" ); document.write( "2(2X+12)=X
\n" ); document.write( "4X+24=X
\n" ); document.write( "4X-X=-24
\n" ); document.write( "3X=-24
\n" ); document.write( "X=-24/3
\n" ); document.write( "X=-8 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*-8+12=-8/2
\n" ); document.write( "-16+12=-4
\n" ); document.write( "-4=-4
\n" ); document.write( "
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